Hans Adolf Krebs

Hans Adolf Krebs (25 August 1900-22 November 1981) was a German-British physician and biochemist whose discovery of the "Krebs cycle" of metabolic reactions won him the 1953 Nobel Prize in Physiology or Medicine.

Biography
Hans Adolf Krebs was born in Hildesheim, German Empire in 1900 to a family of Silesian-Jewish descent, and he served in the Imperial German Army at the end of World War I. He was graduated from the University of Hamburg in 1925, and he was a respected scientist until he was forced to emigrate to the United Kingdom in 1933 following the Nazi seizure of power. His discovery of the citric acid cycle (the "Krebs Cycle") and the urea cycle led to him winning the 1953 Nobel Prize in Physiology or Medicine, and he went on to continue his studies of physics. He retired in 1967, and he died in Oxford in 1981.